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Rifles, Reloading, Optics, Equipment
Reloading
Subsonic 308 loads
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<blockquote data-quote="Wado" data-source="post: 1306330" data-attributes="member: 42926"><p>I dabbled a bit in subsonic .308's a while back but finally stuck to my 300 Blackout, it does the same thing and I bought it strictly for sub's so that's that. I started out with 220 grain Hornady round nose bullets that I hollow pointed and drilled about eight grains out of each one and fired them through a one in twelve twist Remington barrel screwed in a Mauser action. I drilled the flash holes and dry lubed the bullets before seating. My start charge was 13.8 grains of Trailboss and I never chronographed any but I know they went super just by the sound. I don't think you can cram enough Trailboss in there to get in trouble. I shot some into dry phone books at about twenty feet just to see what happened but never made it to the range with any. I know another shooter that loads 150 grain Ballistic Silvertips ( made for 30-30 Winchester ) with 10.2 grains of Trailboss and they do well in his one in ten twist Ruger, I ordered some projectiles but never have loaded any. Like everyone says start high and work down, keep your barrel clean and if you drill flash holes mark your brass. You might back a primer out with a high pressure load in a drilled brass. I have stuck a bullet in my 300 and it creates some anxiety just don't do a follow up shot. One of the gun shops I frequent had an AR with two Sierra Match Kings stuck in a barrel. If you do stick one clean the barrel before trying to push it out and plenty of lube helps also. I don't know anyone that has made an AR cycle a .308 sub, not saying it can't be done I just don't know that lucky devil. Pic's of my hollow pointer and 220 grain round nose into about four inches of dry phone books. It made it through but shucked the outer jacket. The last picture are some projectiles fired from a Blackout at subsonic speeds after being hollow pointed. I use 208 grain A Max as well as the hollow pointed round nose Hornady's but have never killed anything with the round nose variety. The A Max's don't expand at all and firing into dry paper they just bend or partially flatten. I have recovered some out of the burm I shoot against and they look unfired except for the rifling marks.</p></blockquote><p></p>
[QUOTE="Wado, post: 1306330, member: 42926"] I dabbled a bit in subsonic .308's a while back but finally stuck to my 300 Blackout, it does the same thing and I bought it strictly for sub's so that's that. I started out with 220 grain Hornady round nose bullets that I hollow pointed and drilled about eight grains out of each one and fired them through a one in twelve twist Remington barrel screwed in a Mauser action. I drilled the flash holes and dry lubed the bullets before seating. My start charge was 13.8 grains of Trailboss and I never chronographed any but I know they went super just by the sound. I don't think you can cram enough Trailboss in there to get in trouble. I shot some into dry phone books at about twenty feet just to see what happened but never made it to the range with any. I know another shooter that loads 150 grain Ballistic Silvertips ( made for 30-30 Winchester ) with 10.2 grains of Trailboss and they do well in his one in ten twist Ruger, I ordered some projectiles but never have loaded any. Like everyone says start high and work down, keep your barrel clean and if you drill flash holes mark your brass. You might back a primer out with a high pressure load in a drilled brass. I have stuck a bullet in my 300 and it creates some anxiety just don't do a follow up shot. One of the gun shops I frequent had an AR with two Sierra Match Kings stuck in a barrel. If you do stick one clean the barrel before trying to push it out and plenty of lube helps also. I don't know anyone that has made an AR cycle a .308 sub, not saying it can't be done I just don't know that lucky devil. Pic's of my hollow pointer and 220 grain round nose into about four inches of dry phone books. It made it through but shucked the outer jacket. The last picture are some projectiles fired from a Blackout at subsonic speeds after being hollow pointed. I use 208 grain A Max as well as the hollow pointed round nose Hornady's but have never killed anything with the round nose variety. The A Max's don't expand at all and firing into dry paper they just bend or partially flatten. I have recovered some out of the burm I shoot against and they look unfired except for the rifling marks. [/QUOTE]
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